Calibration of sound level meters CENTER-326 (94dB 14dB) HDC027

 94dB and 114dB Sound Calibration at 1KHz
 Accurate and easy to use
 Diameter microphone of seats 1 ", 1 / 2 "
 Output sound pressure level
 114dB and 94dB uPa about 20 due to refrence.
 Output Frequency
 1000Hz + / - 2%
 Related conditions
 TEMPERATURE -> 23 O C (73 o F)
 ATMOSPHERIC PRESSURE -> 103hpa
 (760mm of Hg)
 RELATIVE HUMIDITY -> 65%

 Accuracy of the sound pressure level
 In terms specified environmental conditions + / - 0.5dB
 Energy
 One 9V battery 006P or IEC 6F22 or NEDA 1604th

 Battery Test
 Internal circuit validation state of the battery continuously.
 Calibrator works at all, if battery voltage falls below
 acceptable route.
 Battery life: About 50 hours
 Dimensions: 113 (L) x 63 (W) x 44 (H) mm
 Weight: 170g (include battery)
 Operating: 00-50 (32 - 122)
 Operating Humidity: 0 - 90% RH
 Extras
 9V battery, carrying case, instruction manual. 1 / 2 "Microphone Adapter